content: /*
   * Copyright 2011-2016 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package ix;
  
  import java.util.Arrays;
  
  import org.junit.Test;
  
  public class ZipIterableTest {
  
      IxFunction<Object[], Integer> zipper = new IxFunction<Object[], Integer>() {
          @Override
          public Integer apply(Object[] a) {
              int s = 0;
              for (Object o : a) {
                  s += (Integer)o;
              }
              return s;
          }
      };
  
      @SuppressWarnings("unchecked")
      @Test
      public void normal() {
  
          Ix<Integer> source = Ix.zip(Arrays.asList(
                  Ix.range(1, 2), Ix.range(10, 2)),
                  zipper);
  
          IxTestHelper.assertValues(source, 11, 13);
      }
  
      @SuppressWarnings("unchecked")
      @Test
      public void normalMany() {
  
          Ix<Integer> source = Ix.zip(Arrays.asList(
                  Ix.range(1, 2), Ix.range(1, 2),
                  Ix.range(1, 2), Ix.range(1, 2),
                  Ix.range(1, 2), Ix.range(1, 2),
                  Ix.range(1, 2), Ix.range(1, 2),
                  Ix.range(1, 2), Ix.range(1, 2),
                  Ix.range(1, 2), Ix.range(1, 2)
                  ),
                  zipper);
  
          IxTestHelper.assertValues(source, 12, 24);
      }
  
      @SuppressWarnings("unchecked")
      @Test
      public void firstShorter() {
  
          Ix<Integer> source = Ix.zip(Arrays.asList(
                  Ix.range(1, 1), Ix.range(10, 2) ),
                  zipper);
  
          IxTestHelper.assertValues(source, 11);
      }
  
      @SuppressWarnings("unchecked")
      @Test
      public void secondShorter() {
  
          Ix<Integer> source = Ix.zip(Arrays.asList(
                  Ix.range(1, 3), Ix.range(10, 2) ),
                  zipper);
  
          IxTestHelper.assertValues(source, 11, 13);
      }
  
      @SuppressWarnings("unchecked")
      @Test
      public void bothEmpty() {
  
          Ix<Integer> source = Ix.zip(Arrays.asList(
                  Ix.empty(), Ix.empty() ),
                  zipper);
  
          IxTestHelper.assertValues(source);
      }
  
  }
  